Spisula twinensis
- kingdom: Animalia
- phylum: Mollusca
- class: Bivalvia
- order: Venerida
- family: Mactridae
- genus: Spisula
- species: Spisula twinensis
Bryant- Eastgate
- Mercer Island
- Newcastle
Washington
United States
Spisula twinensis Bryant Eastgate Mercer Island Newcastle